Quick answers
- Which hospitals does Marissa Holtey work at?
- Medicare's official clinician data lists Marissa Holtey at 1 hospital: Sierra View Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marissa Holtey see patients?
- Medicare's clinician data lists 1 practice location in Porterville, CA. Call before your visit to confirm the address.
- What is Marissa Holtey's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Marissa Holtey accept Medicare assignment?
- Yes. Medicare's clinician data says Marissa Holtey accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Marissa Holtey?
- (559) 781-7242, as listed in official Medicare / NPI Registry data.
- What is Marissa Holtey's NPI number?
- 1518611391. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marissa Holtey works
Medicare's Facility Affiliation Data lists Marissa Holtey at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Sierra View Medical CenterPorterville, CA · Acute Care Hospital · CCN 050261
Practice locations
Addresses where Marissa Holtey is enrolled with Medicare (CMS data updated 2026-10-02).
- 1107 W Poplar AvePorterville, CA 93257 (559) 781‑7242
Group practices
Medicare enrollment lists Marissa Holtey as a member of this group (CMS data updated 2026-10-02).
- Family Healthcare Network93 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Porterville
Clinicians with the same Medicare primary specialty in Porterville, CA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1518611391 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians